Process for the production of metal carbides having a large spec

Details Process for the production of metal carbides having a large spec Process for the production of metal carbides having a large spec

1992-11-19

1995-06-27

Pal, Asok

Chemistry of inorganic compounds

Carbon or compound thereof

Binary compound

423345, 423346, 423439, 423444, 502174, 501 87, C01B 3134

Patent

active

054277612

ABSTRACT:
A process for the production of a metal carbide having a BET specific surface area of 10 to 200 m.sup.2 /g, in which a reaction mixture including carbon having a specific surface area of at least 200 m.sup.2 /g and a compound of the metal to be reacted with the carbon which is volatile at 900.degree. C. to 1400.degree. C. is introduced into a reactor, the reactor is scavenged by a flow of inert gas and the reaction mixture is heated under the flow of inert gas at 900.degree. to 1400.degree. C. for a time sufficient to volatilize the metal, reduce the volatilized metal compound to the metal with and carburize the metal by reaction with carbon, forming the metal carbide. The metal carbide formed is cooled under the flow of inert gas.

REFERENCES:
patent: 4529575 (1985-07-01), Enomoto et al.
patent: 4851262 (1989-07-01), McFeaters
Journal of the American Ceramic Society, 66:7, pp. C111-C113, Jul. 1983.
Japanese Patent Abstract-JP 57-101100-vol. 26, No. 186--(Sep. 1982).
Japanese Patent Abstract-JP 59-227706-vol. 9, No. 096--(Apr. 1985).
Japanese Patent Abstract-JP 61-074635-vol. 10, No. 245--(Aug. 1986).
Japanese Patent Abstract-JP 1-270507-vol. 14, No. 34--(Jan. 1990).

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